View source for Potassium

{{Element                                                                                                                                                                                                  |
name=Potassium                                                                                                                                                                                             |
symbol=K                                                                                                                                                                                                   |
available=trace                                                                                                                                                                                            |
need=essential                                                                                                                                                                                             |
number=19                                                                                                                                                                                                  |
mass=39.0983                                                                                                                                                                                               |
group=1                                                                                                                                                                                                    |
period=4                                                                                                                                                                                                   |
phase=Solid                                                                                                                                                                                                |
series=Alkali metals                                                                                                                                                                                       |
density=0.89 g/cm3                                                                                                                                                                              |
melts=336.53K,<BR/>63.38°C,<BR/>146.08°F                                                                                                                                                     |
boils=1032K,<BR/>759°C,<BR/>1398°F                                                                                                                                                           |
isotopes=39<BR/>41                                                                                                                                                                                   |
prior=[[Argon|<FONT color="#7F7FFF">Ar</FONT>]]                                                                                                                                      |
next=[[Calcium|<FONT color="#7F7FFF">Ca</FONT>]]                                                                                                                                     |
above=[[Sodium|<FONT color="#7F7FFF">Na</FONT>]]                                                                                                                                     |
aprior=<SMALL><FONT color="#7F7F7F">N/A</FONT></SMALL>                                                                                                                   |
anext=[[Magnesium|<FONT color="#7F7FFF">Mg</FONT>]]                                                                                                                                  |
below=[[Rubidium|<FONT color="#7F7FFF">Rb</FONT>]]                                                                                                                                   |
bprior=<SMALL><FONT color="#7F7F7F">N/A</FONT></SMALL>                                                                                                                   |
bnext=[[Strontium|<FONT color="#7F7FFF">Sr</FONT>]]                                                                                                                                  |
radius=220                                                                                                                                                                                                 |
bohr=243                                                                                                                                                                                                   |
covalent=196                                                                                                                                                                                               |
vdwr=275                                                                                                                                                                                                   |
irad=(+1) 151                                                                                                                                                                                              |
ipot=4.34                                                                                                                                                                                                  |
econfig=1s<sup>2</sup> <br/>2s<sup>2</sup> 2p<sup>6</sup> <br/>3s<sup>2</sup> 3p<sup>6</sup> <br/>4s<sup>1</sup> |
eshell=2, 8, 8, 1                                                                                                                                                                                          |
enega=0.82                                                                                                                                                                                                 |
eaffin=0.5                                                                                                                                                                                                 |
oxstat=1                                                                                                                                                                                                   |
magn=?                                                                                                                                                                                                     |
cryst=Body centered cubic                                                                                                                                                                                  |
}}
'''Potassium''' is a Alkali metal in group 1.
It has a Body centered cubic crystalline structure.
This element has two stable isotopes: 39 and 41.  
<BR/><BR/>

==External Links==
*[http://lunar.arc.nasa.gov/results/gamres.htm Lunar Prospector: Gamma Ray Spectrometer Results]



{{Autostub}}
[[Category:Solids]]
[[Category:Alkali metals]]
[[Category:Critical and Essential Elements]]

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